SAE-AISI 1044 Steel vs. EN 1.5520 Steel
Both SAE-AISI 1044 steel and EN 1.5520 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI 1044 steel and the bottom bar is EN 1.5520 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 180 | |
120 to 170 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 18 | |
11 to 21 |
Fatigue Strength, MPa | 230 | |
210 to 300 |
Poisson's Ratio | 0.29 | |
0.29 |
Reduction in Area, % | 46 | |
62 to 75 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 380 | |
290 to 340 |
Tensile Strength: Ultimate (UTS), MPa | 620 | |
410 to 1410 |
Tensile Strength: Yield (Proof), MPa | 340 | |
300 to 480 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
400 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 51 | |
50 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
7.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
1.9 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.4 |
Embodied Energy, MJ/kg | 18 | |
19 |
Embodied Water, L/kg | 45 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 94 | |
42 to 230 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 320 | |
240 to 600 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 22 | |
15 to 50 |
Strength to Weight: Bending, points | 21 | |
16 to 36 |
Thermal Diffusivity, mm2/s | 14 | |
13 |
Thermal Shock Resistance, points | 20 | |
12 to 41 |
Alloy Composition
Boron (B), % | 0 | |
0.00080 to 0.0050 |
Carbon (C), % | 0.43 to 0.5 | |
0.15 to 0.2 |
Chromium (Cr), % | 0 | |
0 to 0.3 |
Copper (Cu), % | 0 | |
0 to 0.25 |
Iron (Fe), % | 98.8 to 99.27 | |
97.7 to 98.9 |
Manganese (Mn), % | 0.3 to 0.6 | |
0.9 to 1.2 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.025 |
Silicon (Si), % | 0 | |
0 to 0.3 |
Sulfur (S), % | 0 to 0.050 | |
0 to 0.025 |